@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");
html|canvas#screen {margin: 12px 11px 32px}
#monitor {list-style-image:url("chrome://browser/skin/monitor.png")}
#monitor[aspectratio="16:10"] {list-style-image:url("chrome://browser/skin/monitor_16-10.png")}